Cisco Cisco IOS Software Release 12.2(55)SE
15
Release Notes for the Cisco IE 3000 Switch, Cisco IOS Release 12.2(55)SE and Later
OL-23061-05
Resolved Caveats
When a Catalyst Switch 3750-X is directly connected to IE3000 via SFPs, after reloading the switch,
the interface on IE3000 go err-disabled.
the interface on IE3000 go err-disabled.
The workaround is to increase the threshold of number of flaps to more than 15 on IE3000.
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CSCui83823
When term length 0 is enabled, the putty session closes prematurely while executing show tech or
any show commands which gives a long output.
any show commands which gives a long output.
The workaround is to redirect the output to a file.
Caveats Resolved for Cisco IOS Release 12.2(55)SE9
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CSCsh15817
IP Service Level Agreement operations on a router that also has a response time reporter (RTR)
enabled on it, fails at the source. This happens because the RTR responder does not receive the UPD
socket events when a UDP packet is routed through a VRF.
enabled on it, fails at the source. This happens because the RTR responder does not receive the UPD
socket events when a UDP packet is routed through a VRF.
The workaround is to use IP SLA operations without VRFs.
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CSCtr38563
Switch fails when a secondary IP address is configured on a VLAN interface.
There is no workaround.
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CSCuc63146
Port-channel interface flaps while adding or removing a VLAN from the trunk on a port-channel
interface if one or more port members are not in P or D states.
interface if one or more port members are not in P or D states.
The workaround is to shut down the port members which are not in P or D states and make the VLAN
changes.
changes.
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CSCuh43252
After upgrading to Cisco IOS Release 15.0(2)SE3, the switch does not authenticate using TACACS.
The TPLUS process on the switch pushes the CPU usage up to 99%.
The TPLUS process on the switch pushes the CPU usage up to 99%.
The workaround is to downgrade the switch software to a version prior to Cisco IOS Release
15.0(2)SE3.
15.0(2)SE3.
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CSCui65252
When Dynamic ARP Inspection (DAI) is enabled over port channel, it stops processing the Address
Resolution Protocol (ARP) packets.
Resolution Protocol (ARP) packets.
The workaround is to set up a direct link between the access switch and the DHCP server.
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CSCuj54648
A malformed TCP packet forwarded on a STP blocked port keeps looping in the network even after
traffic is stopped, creating CPU hogs on switches.
traffic is stopped, creating CPU hogs on switches.
To stop the loop and flooding in the network use one of these workarounds:
–
Run the shutdown command followed by the no shutdown command on any port in the
topology.
topology.
–
Change the STP priority of any of the switches.